Spring Chest Expander
- BODY STRENGTH TRAINER - Our chest expander designed to improve strength and power. Portable, lightweight alternative to free weights and machines. The exercise spring can strengthen upper body, open chest, shoulders and back, easy to carry and you can resistance train anywhere.
- 3 LEVEL CHOICE - Adjustable Chest Expander have 165LBS/5 springs,99LBS/3 springs, 66LBS/2 springs of tension, suitable for most men,women and children,meet your different strength needs.
- SAFE FITNESS - Whether you are a novice or a veteran,The chest expander will be very suitable for you.Perfect for exercising your wrists,arms,shoulders,chest and back at the same time,developing your grip,building strength on your fingers,wrists,and increasing the muscle strength of the upper body.
- IDEAL FOR FITNESS PROS & BEGINNERS - For the advanced trainer, the spring power twister will help you to add additional reps after your muscles fatigue.And for the beginner , They allow you to progressively increase your strength to the point where you can complete a full pull up completely under your own power.